Free $20 Barnes and Noble GC When You Buy Nook HD or HD+ and Pay by Mastercard

Barnes and Noble, which now only allows us to offer cash back on the purchase of NOOKs and NOOK accessories (2%), has a two-day special: pay for your NOOK HD or HD+ by Mastercard, get a free $20 B&N gift card! And both NOOKs ship for free!

They’ve also dropped the price of the NOOK Simple Touch from $99 to $79 shipped!